# Claude Opus 4.7 (Adaptive) vs Mercury 3

> Side-by-side benchmark comparison for Claude Opus 4.7 (Adaptive) and Mercury 3 across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/claude-opus-4-7-adaptive-vs-mercury-3
- Last updated: October 19, 2026

- Shared sourced benchmarks: 1
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

Evidence is too thin for a benchmark verdict: Claude Opus 4.7 (Adaptive) and Mercury 3 share only 1 sourced benchmark row.

## Summary

- Only 1 shared sourced benchmark row is available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Mercury 3 has the lower published output-token price.

## Model Snapshot

| Property | Claude Opus 4.7 (Adaptive) | Mercury 3 |
|----------|----------|----------|
| Creator | Anthropic | Inception |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 1M | 1M |
| Independent public score (not head-to-head) | 68.69 | null |
| Benchmarks Covered | 21 | 8 |
| Pricing (input/output) | $5.00 / $25.00 | $0.10 / $0.35 |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- Claude Opus 4.7 (Adaptive) public-lane score: 59.7 (Supported · #29/130)
- Mercury 3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| Terminal-Bench 2.0 | 69.4% | Coming soon | Coming soon |
| BrowseComp | 79.3% | Coming soon | Coming soon |
| MCP Atlas | 77.3% | Coming soon | Coming soon |
| OSWorld-Verified | 78% | Coming soon | Coming soon |
| CyberGym | 73.1% | Coming soon | Coming soon |
| OSWorld 2.0 | 18.2% | Coming soon | Coming soon |
| JobBench | 45.9% | Coming soon | Coming soon |
| τ³-bench results | Coming soon | 30.2% | Coming soon |
| BrowseComp+ | Coming soon | 55.18% | Coming soon |
| DeepSearchQA | Coming soon | 71.3% | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- Claude Opus 4.7 (Adaptive) public-lane score: 55.6 (Estimated · #32/151)
- Mercury 3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| SWE-bench Verified | 87.6% | Coming soon | Coming soon |
| SWE-bench Pro | 64.3% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | 69.4% | Coming soon | Coming soon |
| DeepSWE | Coming soon | 46.3% | Coming soon |

### Reasoning

- Winner: Insufficient shared evidence
- Claude Opus 4.7 (Adaptive) public-lane score: 57.4 (Unranked · 3 rankable rows)
- Mercury 3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| MRCR v2 128K-256K | 59.2% | Coming soon | Coming soon |
| ARC-AGI-2 | 75.8% | Coming soon | Coming soon |
| ARC-AGI-3 | 0.2% | Coming soon | Coming soon |
| MRCRv2 | Coming soon | 75.5% | Coming soon |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- Claude Opus 4.7 (Adaptive) public-lane score: 53.7 (#47/55)
- Mercury 3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| OfficeQA Pro | 43.6% | Coming soon | Coming soon |
| CharXiv | 91% | Coming soon | Coming soon |
| CharXiv w/o tools | 82.1% | Coming soon | Coming soon |

### Knowledge

- Winner: Insufficient shared evidence
- Claude Opus 4.7 (Adaptive) public-lane score: 66.2 (Estimated · #30/186)
- Mercury 3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| GPQA | 94.2% | Coming soon | Coming soon |
| GPQA-D | 94.2% | 89.2% | Claude Opus 4.7 (Adaptive) |
| HLE | 54.7% | Coming soon | Coming soon |
| HLE w/o tools | 46.9% | Coming soon | Coming soon |

### Instruction Following

- Winner: Insufficient shared evidence
- Claude Opus 4.7 (Adaptive) public-lane score: Coming soon
- Mercury 3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| IFBench | Coming soon | 76.8% | Coming soon |
| MultiChallenge (provider reports) | Coming soon | 60.35% | Coming soon |

### Mathematics

- Winner: Insufficient shared evidence
- Claude Opus 4.7 (Adaptive) public-lane score: Coming soon
- Mercury 3 public-lane score: Coming soon

| Benchmark | Claude Opus 4.7 (Adaptive) | Mercury 3 | Winner |
|-----------|-----------|-----------|--------|
| FrontierMath (legacy) | 43.8% | Coming soon | Coming soon |

## FAQ

### Is there enough evidence to pick between Claude Opus 4.7 (Adaptive) and Mercury 3?

Not yet. The models share only 1 sourced benchmark row, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [Claude Opus 4.7 (Adaptive) vs Claude Opus 4.7](/compare/claude-opus-4-7-vs-claude-opus-4-7-adaptive)
- [Mercury 3 vs Claude Opus 4.7](/compare/claude-opus-4-7-vs-mercury-3)
- [Claude Opus 4.7 (Adaptive) vs Claude Opus 5.5](/compare/claude-opus-4-7-adaptive-vs-claude-opus-5-5)
- [Mercury 3 vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-mercury-3)

## Explore More

- [Claude Opus 4.7 (Adaptive) profile](/models/claude-opus-4-7-adaptive)
- [Mercury 3 profile](/models/mercury-3)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)